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Finding the Fourth Proportional to 338,449.59, 507,505.33 and 110,715.49

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Solution

The fourth proportional to 338,449.59, 507,505.33 and 110,715.49 is: 166,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,449.59 : 507,505.33 = 110,715.49 : x
  2. Step 2: Convert to fraction form
    338,449.59/507,505.33 = 110,715.49/x
  3. Step 3: Cross multiply
    338,449.59x = 507,505.33 × 110,715.49
  4. Step 4: Simplify right side
    338,449.59x = 56,188,702,061.34
  5. Step 5: Solve for x
    x = 56,188,702,061.34/338,449.59
  6. Step 6: Final answer
    x = 166,017.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.